Searles, William H.
Field engineering: a handbook of the theory and practice of railway surveying, location and construction
John Wiley & Sons, 1949
Buku Referensi
Habermas, Jurgen
Theory and Practice
Heinemann, 1974
Buku Teks
Waldman, Don E.
Industrial organization: theory and practice
Pearson, 2007
Buku Teks
Lachman, Leon
The Theory and practice of idustrial pharmacy
Lea & Febiger, 1976
Buku Teks
Minshull, Roger
Regional geography : theory and practice
Hutchinson University Library, 1971
Buku Teks